12918976 has 28 divisors (see below), whose sum is σ = 29299408. Its totient is φ = 5536512.

The previous prime is 12918943. The next prime is 12918979. The reversal of 12918976 is 67981921.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (12918979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13971 + ... + 14866.

Almost surely, 2^12918976 is an apocalyptic number.

12918976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12918976 is an abundant number, since it is smaller than the sum of its proper divisors (16380432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12918976 is an equidigital number, since it uses as much as digits as its factorization.

12918976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28856 (or 28846 counting only the distinct ones).

The product of its digits is 54432, while the sum is 43.

The square root of 12918976 is about 3594.2977060895. The cubic root of 12918976 is about 234.6439515433.

The spelling of 12918976 in words is "twelve million, nine hundred eighteen thousand, nine hundred seventy-six".